ZOC Terminal 7.23.4 Buffer Overflow Denial of Service
Priority MEDIUM 64CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
ZOC Terminal 7.23.4 contains a buffer overflow vulnerability in the Shell field of Program Settings that allows local attackers to crash the application by supplying an excessively long string. Attackers can paste a crafted payload into the Shell configuration field and trigger a crash when accessing the Command Shell feature.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00186 8th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-25589
- 2026-10-03 Alias added: GHSA-jggw-wgm7-pq5p
References
Exploit 1
More EmTec Zoc vulnerabilities
- TI-2021-17331 EmTec ZOC before 8.02.2 allows \e[201~ pastes, a different vulnerability than CVE-2021-32198. CVSS 3.1CRITICAL 9.8
- TI-2021-12076 EmTec ZOC through 8.02.4 allows remote servers to cause a denial of service (Windows GUI… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-25589 · CVE Program
- CVE-2019-25589 · NVD
- FIRST EPSS
- GHSA-jggw-wgm7-pq5p · GitHub Advisory Database · CC BY 4.0
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